/Engine/Plugins/MovieScene/SequencerScripting/Source/SequencerScripting/Public/ExtensionLibraries/MovieSceneBindingExtensions.h
Check whether the specified binding is valid
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintPure, Category="Sequencer|Sequence", Meta=(ScriptMethod)) static bool IsValid ( const [FMovieSceneBindingProxy](API\Runtime\MovieScene\FMovieSceneBindingProxy) & InBinding )